AirHint found the following cheapest return flights from Portland (PDX) to Frankfurt (FRA) in October 2025 (see full year).

Return flights

16 Oct - 23 Oct	Icelandair
15 Oct - 22 Oct	Condor
22 Oct - 29 Oct	Condor
14 Oct - 21 Oct	Condor
21 Oct - 28 Oct	Condor
01 Oct - 08 Oct	Condor
26 Oct - 02 Nov	Condor
27 Oct - 03 Nov	Condor
29 Oct - 05 Nov	Condor
23 Oct - 30 Oct	Condor
29 Oct - 10 Nov	Condor
01 Oct - 06 Oct	Condor
20 Oct - 27 Oct	Condor
19 Oct - 26 Oct	Condor
18 Oct - 08 Nov	Condor
25 Oct - 01 Nov	Condor
30 Oct - 06 Nov	Condor
31 Oct - 07 Nov	Condor

Also check the deals for one-way flights from Portland to Frankfurt in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Portland to Frankfurt in October from $491

Return flights